Home / 20,516.75-30,748.39-9,263.73

Finding the Fourth Proportional to 20,516.75, 30,748.39 and 9,263.73

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Solution

The fourth proportional to 20,516.75, 30,748.39 and 9,263.73 is: 13,883.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,516.75 : 30,748.39 = 9,263.73 : x
  2. Step 2: Convert to fraction form
    20,516.75/30,748.39 = 9,263.73/x
  3. Step 3: Cross multiply
    20,516.75x = 30,748.39 × 9,263.73
  4. Step 4: Simplify right side
    20,516.75x = 284,844,782.89
  5. Step 5: Solve for x
    x = 284,844,782.89/20,516.75
  6. Step 6: Final answer
    x = 13,883.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.